A rep for VH1 says that the two Celebrity Rehab series have not been canceled, just put on holddue to scheduling issues while Pinsky focuses on his CW show, Lifechangers.

But some breathing room can't hurt anyway.

Pinsky's brand of televised treatment came under fire last year after two former Celebrity Rehab patients died of causes linked to their substance-abuse issues.

Actor Jeff Conaway, who appeared on season two, died in May of pneumonia and hospital records noted he was admitted with symptoms of a prescription-drug overdose, while original Alice in Chains bassist Mike Starr died in March from a lethal combination of Xanax and alcohol.

As an alternative in the reality-TV department, VH1 will premiere the new series Relationship Rehab, according to EW.com, which first reported the Celebrity Rehab shelving.

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